Fatal error: PHP notice in file /var/www/vhosts/s-andi.de/spam-forum.s-andi.de/wcf/lib/system/auth/UserAuthDefault.class.php (56): Use of undefined constant COOKIE_PREFIX - assumed 'COOKIE_PREFIX'

Information:

error message: PHP notice in file /var/www/vhosts/s-andi.de/spam-forum.s-andi.de/wcf/lib/system/auth/UserAuthDefault.class.php (56): Use of undefined constant COOKIE_PREFIX - assumed 'COOKIE_PREFIX'
error code: 0
file: /var/www/vhosts/s-andi.de/spam-forum.s-andi.de/wcf/lib/system/WCF.class.php (255)
php version: 5.3.29
wcf version: 1.0.10 (Horizon)
date: Tue, 16 Apr 2024 20:37:17 +0000
request: /index.php?form=Search&s=0b2c45b3bde3e2b5dab8a63f17f5831ddd40c4e0&l=2&s=2a8ea84b5966589229dbcc353b3d7b13a5d65b50&l=2&s=03d0796a96274802ca47a841f379923dbfb8e968&l=9&s=7fad4820e4c8027bf937fb74a6ec8e1d92bf4b10&l=2&s=1772ef1ccecf97ceac12bb358a926284d8df1301
referer:

Stacktrace:

#0 /var/www/vhosts/s-andi.de/spam-forum.s-andi.de/wcf/lib/system/auth/UserAuthDefault.class.php(56): WCF::handleError(8, 'Use of undefine...', '/var/www/vhosts...', 56, Array)
#1 /var/www/vhosts/s-andi.de/spam-forum.s-andi.de/wcf/lib/system/session/CookieSessionFactory.class.php(34): UserAuthDefault->loginAutomatically(true, 'WBBUserSession')
#2 /var/www/vhosts/s-andi.de/spam-forum.s-andi.de/wcf/lib/system/session/SessionFactory.class.php(71): CookieSessionFactory->create()
#3 /var/www/vhosts/s-andi.de/spam-forum.s-andi.de/lib/system/WBBCore.class.php(170): SessionFactory->get()
#4 /var/www/vhosts/s-andi.de/spam-forum.s-andi.de/wcf/lib/system/WCF.class.php(91): WBBCore->initSession()
#5 /var/www/vhosts/s-andi.de/spam-forum.s-andi.de/global.php(18): WCF->__construct()
#6 /var/www/vhosts/s-andi.de/spam-forum.s-andi.de/index.php(7): require_once('/var/www/vhosts...')
#7 {main}